Home / 18,458.26-27,690.93-5,981.38

Finding the Fourth Proportional to 18,458.26, 27,690.93 and 5,981.38

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Solution

The fourth proportional to 18,458.26, 27,690.93 and 5,981.38 is: 8,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.26 : 27,690.93 = 5,981.38 : x
  2. Step 2: Convert to fraction form
    18,458.26/27,690.93 = 5,981.38/x
  3. Step 3: Cross multiply
    18,458.26x = 27,690.93 × 5,981.38
  4. Step 4: Simplify right side
    18,458.26x = 165,629,974.88
  5. Step 5: Solve for x
    x = 165,629,974.88/18,458.26
  6. Step 6: Final answer
    x = 8,973.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.